How Much Does Metal Roof Installation Cost in San Mateo, CA? (2026)

Average Cost

$187,461–$348,752

Materials

$139,900–$261,820

Labor (Peninsula)

$4,301–$6,451

Labor rates in Peninsula are +28% compared to Sacramento Metro baseline.

Metal roofing is increasingly popular in Northern California for its 40-70 year lifespan, fire resistance (Class A), and excellent solar reflectivity. Standing seam panels snap-lock together with concealed fasteners for a clean look, while exposed-fastener corrugated panels offer a more economical option. Installation includes tear-off of existing roofing, deck repair, synthetic underlayment, panel installation, and custom-fabricated flashing and trim. Metal roofs inherently meet CA Title 24 cool-roof requirements in most colors and are ideal for NorCal's wildfire-prone foothill areas.

NorCal's intense summer sun and fire risk make metal an excellent choice. Standing seam expands and contracts with temperature changes; concealed clips allow thermal movement without fastener stress.

San Mateo is located in San Mateo County (Peninsula). Mid-Peninsula city with charming older neighborhoods, downtown shops, and newer high-rises. The local utility provider is PG&E.

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City

Roofing Squares (100 sq ft each)

Materials Included

Standing Seam Metal Panels (26-gauge steel, Kynar finish)400 square

$120,000–$220,000

High-Temp Synthetic Underlayment (10 sq roll)40 roll

$2,600–$4,400

Custom Trim & Flashing (eave, rake, ridge, wall)3000 linear ft

$12,000–$27,000

Metal Ridge Cap600 linear ft

$3,600–$7,200

Pancake-Head Screws, Butyl Tape & Sealant20 kit

$1,600–$3,000

Metal Pipe Boots & Penetration Flashings4 each

$100–$220

Labor(Peninsula +28%)

Metal Roofing Installer (Lead)16h @ $77–$115/hr

$1,229–$1,843

Metal Roofing Crew (2-3 workers)20h @ $154–$230/hr

$3,072–$4,608

Contractor Markup30%

0%Avg 30%100%

Materials

$139,900–$261,820

Labor

$4,301–$6,451

Markup

$43,260–$80,481

Estimated Total Cost

$187,461 – $348,752

$9,373–$17,438 per unit

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California Building Code

Metal roofing inherently meets CA Title 24 cool-roof solar reflectance and thermal emittance requirements in most factory finishes. Class A fire rating satisfies CBC Chapter 7A for wildfire-prone areas. Structural load capacity must be verified, though metal is lighter than most roofing materials.

Project Timeline

Tear-Off & Deck Preparation

1-2 days

Remove existing roofing material, inspect and repair the roof deck, and install high-temperature synthetic underlayment rated for metal roofing applications.

Eave & Trim Installation

0.5-1 day

Install eave drip edge, custom-bent flashing at walls and valleys, and starter clips. Ensure all trim is level and properly fastened to provide a clean base for panel installation.

Panel Installation

2-4 days

Install standing seam panels from eave to ridge, engaging snap-lock seams and securing with concealed clips. Flash all penetrations with custom-fabricated metal flashings and apply butyl sealant.

Ridge Cap, Trim & Inspection

0.5-1 day

Install the metal ridge cap with foam closure strips to prevent wind-driven rain and insects. Complete all rake and wall trim. Clean the site and schedule the final building inspection.

Materials Breakdown

Material	Qty	Unit	Unit Cost	Total
Standing Seam Metal Panels (26-gauge steel, Kynar finish)	400	square	$300–$550	$120,000–$220,000
High-Temp Synthetic Underlayment (10 sq roll)	40	roll	$65–$110	$2,600–$4,400
Custom Trim & Flashing (eave, rake, ridge, wall)	3000	linear ft	$4–$9	$12,000–$27,000
Metal Ridge Cap	600	linear ft	$6–$12	$3,600–$7,200
Pancake-Head Screws, Butyl Tape & Sealant	20	kit	$80–$150	$1,600–$3,000
Metal Pipe Boots & Penetration Flashings	4	each	$25–$55	$100–$220

Metal Roof Installation in San Mateo — FAQ

How much does a metal roof cost vs. shingles?+

A standing seam metal roof costs roughly 2-3x more than asphalt shingles upfront ($15,000-$30,000 for a typical NorCal home vs. $8,000-$14,000 for shingles). However, metal lasts 40-70 years vs. 25-30 for shingles, often making it cheaper over the life of the home.

Are metal roofs good for NorCal wildfire areas?+

Yes. Metal roofs carry a Class A fire rating (the highest) and are recommended for homes in WUI (Wildland-Urban Interface) zones throughout the Sierra foothills and NorCal fire-prone areas. They will not ignite from airborne embers.

Are metal roofs noisy when it rains?+

With proper underlayment and solid deck sheathing, a residential metal roof is no louder than asphalt shingles during rain. The synthetic underlayment and plywood deck absorb sound effectively.

Do metal roofs meet California cool roof requirements?+

Yes. Most factory-finished metal roofing products with Kynar/Hylar finishes meet or exceed CA Title 24 cool-roof requirements, even in darker colors. Metal's high thermal emittance helps radiate heat away from the building.